CVE•Published 2023-09-15•Modified 2026-05-21•1 article on news•5 live references•NVD data
CVE-2023-4231Cevik · Informatics_online_payment_system
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
34
Exploit Prediction Scoring System · top 66% of all CVEs
Weaknesses (CWE)
Description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Cevik Informatics Online Payment System allows SQL Injection. This issue affects Online Payment System: before 4.09.
Timeline
Published 2023-09-15
Modified 2026-05-21
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-4231Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Cevik Informatics Online Payment System"All exposed Cevik Informatics Online Payment System instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Informatics Online Payment System"HTTP body or banner mentions "Informatics Online Payment System" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-4231Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-4231Censys host search filtered to this CVE id.
grep.app
CVE-2023-4231Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-4231GitHub code search for direct mentions.
Google dork
"CVE-2023-4231" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (6)
CVE-2023-42316 repos
sunlei/awesome-starsPython
My GitHub stars.
liuzhen9320/zstarunknown
They said organizing stars was extremely troublesome, so I lent a hand.
K3ysTr0K3R/K3ysTr0K3Runknown
Config files for my GitHub profile.
clay-good/encryptalottaHTML
Encryptalotta is a 100% private, client-side PGP suite that enables secure key generation, file and text encryption, and digital signing directly in your browser with zero server u…
Steel-SecAdv-LLC/Mercury-AgentPython
Mercury Agent ♱ - Is a neuro-symbolic autonomous AI prototype, integrating machine learning-based anomaly detection, multi-domain operations, and ethical alignment protocols. Desig…
joaomagfreitas/starsunknown
Complete list of repositories I've starred